677764-36-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677764-36-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,7,6 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 677764-36:
(8*6)+(7*7)+(6*7)+(5*7)+(4*6)+(3*4)+(2*3)+(1*6)=222
222 % 10 = 2
So 677764-36-2 is a valid CAS Registry Number.